#### Configuration file changes:

#### kube-apiserver:

  - `service.kubernetes.io/topology-aware-hints` annotation has been deprecated.

where <code>E</code> is the element type of <code>S</code>
and the respective <a href="#Passing_arguments_to_..._parameters">parameter
passing rules</a> apply.
As a special case, <code>append</code> also accepts a slice whose type is assignable to
type <code>[]byte</code> with a second argument of <code>string</code> type followed by
<code>...</code>.
This form appends the bytes of the string.
</p>

* kube-apiserver: the OpenID Connect authenticator no longer accepts tokens from the Google v3 token APIs; users must switch to the "https://www.googleapis.com/oauth2/v4/token" endpoint.

  always available within the Pod and PodTemplate APIs. ([#123481](https://github.com/kubernetes/kubernetes/pull/123481), [@sanposhiho](https://github.com/sanposhiho))
- In kubelet configuration, the `.memorySwap.swapBehavior` field now accepts a new value `NoSwap`, which becomes the default if unspecified. The previously accepted `UnlimitedSwap` value has been dropped.
   ([#122745](https://github.com/kubernetes/kubernetes/pull/122745), [@kannon92](https://github.com/kannon92))

- Kube API server accepts `Impersonate-Uid` header to impersonate a user with a specific UID, in the same way that you can currently use `Impersonate-User`, `Impersonate-Group` and `Impersonate-Extra`. ([#99961](https://github.com/kubernetes/kubernetes/pull/99961), [@marg...

- kubelet now accepts `pid=<number>` in the `--system-reserved` and `--kube-reserved` options to ensure that the specified number of process IDs will be reserved for the system as a whole and for Kubernetes system daemons respectively.  Please reference `Kube Reserved`...

- The certificate signer no longer accepts ca.key passwords via the `CFSSL_CA_PK_PASSWORD` environment variable. This capability was not prompted by user request, never advertised, and recommended against in the security audit. ([#84677](https://github.com/kubernetes/kubernetes/pull/84677),...

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